<?php
/**
 * Searchform.php 
 *
 */
?>

<form method="get" id="searchform"  class="buscaform" action="<?php bloginfo('url'); ?>/">
<div><input type="text" value="<?php the_search_query(); ?>" name="s" id="s" />
<input type="submit" id="searchsubmit" value="Enviar" />
</div>
</form>